Home / 1,286,569.50-1,774,304.10-803,179.32

Finding the Fourth Proportional to 1,286,569.50, 1,774,304.10 and 803,179.32

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Solution

The fourth proportional to 1,286,569.50, 1,774,304.10 and 803,179.32 is: 1,107,662.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,569.50 : 1,774,304.10 = 803,179.32 : x
  2. Step 2: Convert to fraction form
    1,286,569.50/1,774,304.10 = 803,179.32/x
  3. Step 3: Cross multiply
    1,286,569.50x = 1,774,304.10 × 803,179.32
  4. Step 4: Simplify right side
    1,286,569.50x = 1,425,084,360,511.21
  5. Step 5: Solve for x
    x = 1,425,084,360,511.21/1,286,569.50
  6. Step 6: Final answer
    x = 1,107,662.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.